10-day forecast for Clear Lake, IL: 61° to 96°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Monday, August 10
79° · 1.89 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 78°0
Morning80°feels 80°
Afternoon95°feels 105°
Evening86°feels 98°
Overnight82°feels 86°
96 °
Clear Lake, Monday, 10 August
Partly cloudy. High 96°, low 78°.
Pressure29.94 inHg
Wind12.8 mph SW
Humidity53%
Visibility6.2 mi
Dew point71°
Tue, 1196° / 71°0.25
Morning75°feels 76°
Afternoon93°feels 100°
Evening86°feels 93°
Overnight72°feels 73°
96 °
Clear Lake, Tuesday, 11 August
Rain. High 96°, low 71°.
Pressure29.88 inHg
Wind15.5 mph SW
Humidity50%
Visibility6.2 mi
Dew point70°
Wed, 1293° / 72°0.05
Morning75°feels 76°
Afternoon92°feels 97°
Evening82°feels 87°
Overnight79°feels 79°
93 °
Clear Lake, Wednesday, 12 August
Light rain. High 93°, low 72°.
Pressure29.83 inHg
Wind5.1 mph NW
Humidity52%
Visibility6.2 mi
Dew point69°
Thu, 1379° / 70°1.89
Morning71°feels 72°
Afternoon77°feels 78°
Evening74°feels 75°
Overnight72°feels 73°
79 °
Clear Lake, Thursday, 13 August
Heavy rain. High 79°, low 70°.
Pressure29.88 inHg
Wind15.3 mph E
Humidity82%
Visibility—
Dew point71°
Fri, 1477° / 69°0.45
Morning71°feels 72°
Afternoon76°feels 77°
Evening75°feels 76°
Overnight71°feels 72°
77 °
Clear Lake, Friday, 14 August
Rain. High 77°, low 69°.
Pressure30.03 inHg
Wind12.8 mph E
Humidity81%
Visibility—
Dew point69°
Sat, 1585° / 66°0.06
Morning71°feels 72°
Afternoon80°feels 84°
Evening79°feels 79°
Overnight72°feels 74°
85 °
Clear Lake, Saturday, 15 August
Light rain. High 85°, low 66°.
Pressure30.09 inHg
Wind14.3 mph SE
Humidity74%
Visibility—
Dew point70°
Sun, 1684° / 67°0
Morning76°feels 79°
Afternoon83°feels 89°
Evening76°feels 77°
Overnight68°feels 69°
84 °
Clear Lake, Sunday, 16 August
Overcast. High 84°, low 67°.
Pressure30.00 inHg
Wind13.5 mph NW
Humidity72%
Visibility—
Dew point72°
Mon, 1778° / 61°0
Morning66°feels 66°
Afternoon76°feels 76°
Evening72°feels 73°
Overnight67°feels 67°
78 °
Clear Lake, Monday, 17 August
Partly cloudy. High 78°, low 61°.
Pressure30.09 inHg
Wind8.1 mph NE
Humidity61%
Visibility—
Dew point60°
Tue, 1884° / 63°0
Morning68°feels 69°
Afternoon82°feels 84°
Evening79°feels 79°
Overnight71°feels 72°
84 °
Clear Lake, Tuesday, 18 August
Overcast. High 84°, low 63°.
Pressure29.85 inHg
Wind11.7 mph S
Humidity64%
Visibility—
Dew point66°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Clear Lake, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.